Speech Tools
Speech Tools
Test your browser's built-in text-to-speech and speech-to-text engines. Speak any text with adjustable voice, rate, pitch, and volume, with live word-highlighting as it's spoken; or dictate speech into a live, accumulating transcript with interim and final results across multiple languages.
Speech Tools
Test your browser's built-in text-to-speech and speech-to-text engines. Speak any text with adjustable voice, rate, pitch, and volume, with live word-highlighting as it's spoken; or dictate speech into a live, accumulating transcript with interim and final results across multiple languages.
Common uses
- Preview how a voice sounds before using it in an app
- Test speech recognition accuracy in different languages
- Compare available system voices and their pitch/rate
- Dictate text via microphone and copy the transcript
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Frequently asked questions
How do I test text-to-speech in my browser?
Use the Speech Synthesis tab, type text, pick a voice and adjust rate, pitch and volume. The spoken word is highlighted in browsers that report it, such as Chrome and Edge.
Can I dictate and get a transcript?
Yes, the Speech Recognition tab turns microphone input into a transcript showing interim and final results, with a choice of languages.
Why are the available voices different on each device?
The tool uses your browser's built-in speech engines, so the voice list depends on your operating system and browser. Speech recognition also may not be available in every browser.
Is my data uploaded to a server?
No. This tool runs entirely in your browser — your input is processed locally on your device and is never uploaded or stored on a server.